| Willow Grove to Karditsa | 4,859.41 mi (7,820.46 km) |
| Willow Grove to Kastoria | 4,784.85 mi (7,700.46 km) |
| Willow Grove to Katerini | 4,847.50 mi (7,801.30 km) |
| Willow Grove to Keratsini | 4,990.83 mi (8,031.96 km) |
| Willow Grove to Kerkyra | 4,762.75 mi (7,664.90 km) |
| Willow Grove to Kiato | 4,951.43 mi (7,968.56 km) |
| Willow Grove to Kifisia | 4,994.55 mi (8,037.96 km) |
| Willow Grove to Kilkis | 4,833.66 mi (7,779.02 km) |
| Willow Grove to Komotini | 4,935.04 mi (7,942.18 km) |
| Willow Grove to Korinthos | 4,962.14 mi (7,985.79 km) |
| Willow Grove to Koropi | 5,004.72 mi (8,054.32 km) |
| Willow Grove to Korydallos | 4,991.57 mi (8,033.15 km) |
| Willow Grove to Kos | 5,194.22 mi (8,359.28 km) |
| Willow Grove to Kozani | 4,815.65 mi (7,750.03 km) |
| Willow Grove to Lagos | 4,920.24 mi (7,918.37 km) |
